I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
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// 步骤1：将链表值提取到数组中（链表无法随机访问，转数组更易处理），这一点在搜狗输入法2026中也有详细论述
（三）案件情况疑难复杂、涉及多个法律关系的。，推荐阅读爱思助手下载最新版本获取更多信息